1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8092cfb81e1dbf0492d143ffea89b21406b1e659f566536738f8bc536c7a1a1b. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/84f0ba6f-5b50-4c59-8285-12a547f411f0.json and https://artists.proofprofile.net/proofs/artist/84f0ba6f-5b50-4c59-8285-12a547f411f0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4ad72c1d988264f65e39a3e722ab62261fe7cfd1367f59fd69526a2a1676509. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZYA2400010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22977360f78d310b27edb92a5f8ca286220bbcc736b0a93ebc1bbea03d3e5fa5. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX7BC2300014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d1eb3e6aae55f6acf5db78c30c5a5ec30006e51a6db8eedfcdeae935b5bd5e4. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BKTTW2300378.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25034e1da91906aff5d2fb4c818503b9dd820980f426a1efb0a6124342d2cbc4. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-16T14:07:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BKTTW2300357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb8b4f857ba698669e0c1d9caa6706d113661f289b01cd4bda93f053aa8ba1be. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9M2208358.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77dd25f51f692b631a2b89efed1642fdae66f46ad44100d50ea35a8f81a4fddb. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDD2262109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee2768c0a7388b8c129f8f3025195bc73f6db7cf5c9a2723973870df3a117733. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9L2227341.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x597387dba09bfcc4573e81e787d19edb7a485982220fe8622c877659c311faea. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMHM2207309.
Os Piratas do Haxixe: Barril de Goblins (Merla Extra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80df8570ce71ec78e6bbfcbf2444de26f1e1f832f8160e0a0a84627765c4260d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZYA2400001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9072126a3ab3c9aca5da3321594810eecbb315396ba8ece508fd99ea94894ee. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZYA2400002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d18cb2e3b0f846c39af2266c0395dd4420f0a1357d1cfe2157bfd72001973a8. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZYA2400003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9647b3e9acb469cf32453c17de627cb5fb1dc72761e0f98d9bd54aa7f6615a94. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZYA2400004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29d22e18167cf7d8607013c6a29bd02404c4baf4b5647159a66e1d14a4e65b5d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZYA2400005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c043d6a8db6fa654e82b102448df966715dc696938e9f9370437901d6c1d956. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZYA2400006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8492bc0aaba77939d08e5e1097cd48ab59a81af8d15ec0f04e04bec97970f51. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZYA2400007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10b302bea4ca8cf173761531c5dfc1cc56ff30408355cafc95b636ee8b531040. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZYA2400008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88e1d7df7ad97c820bb9bc34ac94b99719af81487a1ea6c8b6ad1439b896d6ae. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZYA2400009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4ad72c1d988264f65e39a3e722ab62261fe7cfd1367f59fd69526a2a1676509. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZYA2400010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x268989c2c3fff38d53cddec4d0e4537b64873441106f3db2f30397b7c472e672. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZYA2300023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc008eb75edefb731e70537b1265909ab39d6ca627d3337e46f56f5a206dc46c8. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZYA2300024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc120f47befd638411a35262c3f61f4d06724d30aeba666c84f442fc13bea52eb. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZYA2300025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ffe2317d4a3a5732a3f652c7a0e5d326c7fd63dfc2df0ceb7a8df6a47bccfc6. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZYA2300026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f4ded7311d0a18b20b21e0253a56f37a0e39d3978d5c979d0e627314db7cafd. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZYA2300027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x674a0a17c79ea9171f24d3148b2691ab9fb97cc2ba1269a48ed2f21c1e1f6e01. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZYA2300028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c4f299b4ab58807124a52fecb6f4a33f9f938fd5756d3219edd7144a86dca08. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZYA2300029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecb66bad2cc68ed789642742f6a02c714164004ca0e27a789b92e30069366269. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZYA2300030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9f5bd40073869f2df59df92af521c69f79e2b1c49e3dc37298b7fde59833e72. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXZYA2300031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bf15fd30b5bcd51ba22de11ddb5222fee47c6b26456220378313b96cf559348. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ8B2345640.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b2759c510d6a7798754c908a71a7b3176569254ef19e1a4e5b4d4b540503cf0. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ8B2345642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedc5dfcdaedb77873c86ccf9c163bc04be7c238a0c79c02da4fe4a403cf4ac68. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ8B2345653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e940b72720787e03f01180dd06ae7b781b17035630587a460ee9e9443459bbd. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ8B2345654.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cf55fc715b974395a58399733bf6ad883a565e2f639dea466c1c9c05cb0ea88. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ8B2345666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c146a04af87f1aefd86a8bab3cd3d4757a7bc51df48020a617210ed96e7e675. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDE2397748.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0c255262a9be755fa0c0451a004d549fbfce727574e389c7f9287ad97a5d337. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ5FN2417776.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81def514d27b51df798361f03f19abb822124449f359c614b571fe81cfd633e6. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BC6M22409957.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14e3c97d5e2e98b407c47b99aeac1be3a8ab7d9d5aeb658b58b4c123b9330e7b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BC6M22409954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x634e6ec60d47bb26117ff6de98c97491d32ed0c9ef3014399fb8d2c224697134. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BC6M22409952.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1230b96d9963205a06c74988d7dcb8ced004a13d2236024ca82e41e80d9669e5. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BC6M22409948.